AK4490EQ Datasheet, PDF (31/68 Pages) Asahi Kasei Microsystems – Premium 32-Bit 2ch DAC

[AK4490]
3. Digital filter
The AK4490 has four kinds of digital filter selected by SD and SLOW bits. Different sound qualities on
playback can be selected by these filters.
SD bit
0
0
1
1
SLOW bit
Mode
0
Sharp roll-off filter
1
Slow roll-off filter
0
Short delay Sharp roll-off filter
1
Short delay Slow roll-off filter
Table 14. Digital Filter Setting
(default)
The AK4490 can be operated on a slower sampling frequency. This mode is available when the SSLOW bit =
“H” (05H D0).
MS1648-E-03
- 31 -
2014/11